0,0 → 1,99 |
/* |
* Copyright (C) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
#include "main.h" |
#include <printf.h> |
#include "asm.h" |
#include "_components.h" |
#include <ofw.h> |
#include <align.h> |
|
#define KERNEL_VIRTUAL_ADDRESS 0x400000 |
|
bootinfo_t bootinfo; |
|
void bootstrap(void) |
{ |
printf("HelenOS SPARC64 Bootloader\n"); |
|
component_t components[COMPONENTS]; |
init_components(components); |
|
if (!ofw_memmap(&bootinfo.memmap)) { |
printf("Error: unable to get memory map, halting.\n"); |
halt(); |
} |
|
if (bootinfo.memmap.total == 0) { |
printf("Error: no memory detected, halting.\n"); |
halt(); |
} |
|
if (!ofw_screen(&bootinfo.screen)) { |
printf("Error: unable to get screen properties, halting.\n"); |
halt(); |
} |
bootinfo.screen.addr = ofw_translate(bootinfo.screen.addr); |
|
if (!ofw_keyboard(&bootinfo.keyboard)) |
printf("Error: unable to get keyboard properties\n"); |
|
printf("\nDevice statistics\n"); |
printf(" memory: %dM\n", bootinfo.memmap.total>>20); |
printf(" screen at %P, resolution %dx%d, %d bpp (scanline %d bytes)\n", (uintptr_t) bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline); |
printf(" keyboard at %P (size %d bytes)\n", (uintptr_t) bootinfo.keyboard.addr, bootinfo.keyboard.size); |
|
printf("\nMemory statistics\n"); |
printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS); |
printf(" %P: boot info structure\n", &bootinfo); |
|
unsigned int i; |
for (i = 0; i < COMPONENTS; i++) |
printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size); |
|
printf("\nCopying components\n"); |
unsigned int top = 0; |
bootinfo.taskmap.count = 0; |
for (i = 0; i < COMPONENTS; i++) { |
void * base = (void *) KERNEL_VIRTUAL_ADDRESS; |
|
printf(" %s...", components[i].name); |
top = ALIGN_UP(top, PAGE_SIZE); |
memcpy(base + top, components[i].start, components[i].size); |
if (i > 0) { |
bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top; |
bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size; |
bootinfo.taskmap.count++; |
} |
top += components[i].size; |
printf("done.\n"); |
} |
|
printf("\nBooting the kernel...\n"); |
jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo)); |
} |